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| author | Uwe Hermann <uwe@hermann-uwe.de> | 2013-10-08 23:06:39 +0200 |
|---|---|---|
| committer | Uwe Hermann <uwe@hermann-uwe.de> | 2013-10-08 23:18:59 +0200 |
| commit | 497f196ddfa2d0e2e7925d6d8b3dea3548cf1b52 (patch) | |
| tree | 49730c6300182380ac10453330535dcc85d0bb51 /decoders | |
| parent | 5484838563328e7d0533e6bdf5405829d24e7ca0 (diff) | |
| download | libsigrokdecode-497f196ddfa2d0e2e7925d6d8b3dea3548cf1b52.tar.gz libsigrokdecode-497f196ddfa2d0e2e7925d6d8b3dea3548cf1b52.zip | |
onewire_link: Use defaults for the PD options.
This also simplifies the PD code a bit.
Diffstat (limited to 'decoders')
| -rw-r--r-- | decoders/onewire_link/pd.py | 68 |
1 files changed, 27 insertions, 41 deletions
diff --git a/decoders/onewire_link/pd.py b/decoders/onewire_link/pd.py index 253e6cd..e7bf8b3 100644 --- a/decoders/onewire_link/pd.py +++ b/decoders/onewire_link/pd.py @@ -39,15 +39,16 @@ class Decoder(srd.Decoder): ] options = { 'overdrive': ['Overdrive', 1], - # Time options (specified in number of samplerate periods): - 'cnt_normal_bit': ['Normal mode sample bit time', 0], - 'cnt_normal_slot': ['Normal mode data slot time', 0], - 'cnt_normal_presence': ['Normal mode sample presence time', 0], - 'cnt_normal_reset': ['Normal mode reset time', 0], - 'cnt_overdrive_bit': ['Overdrive mode sample bit time', 0], - 'cnt_overdrive_slot': ['Overdrive mode data slot time', 0], - 'cnt_overdrive_presence': ['Overdrive mode sample presence time', 0], - 'cnt_overdrive_reset': ['Overdrive mode reset time', 0], + # Time options (specified in microseconds): + 'cnt_normal_bit': ['Normal mode sample bit time (us)', 15], + 'cnt_normal_slot': ['Normal mode data slot time (us)', 60], + 'cnt_normal_presence': ['Normal mode sample presence time (us)', 75], + 'cnt_normal_reset': ['Normal mode reset time (us)', 480], + 'cnt_overdrive_bit': ['Overdrive mode sample bit time (us)', 2], + # 'cnt_overdrive_slot': ['Overdrive mode data slot time (us)', 7.3], + 'cnt_overdrive_slot': ['Overdrive mode data slot time (us)', 7], + 'cnt_overdrive_presence': ['Overdrive mode sample presence time (us)', 10], + 'cnt_overdrive_reset': ['Overdrive mode reset time (us)', 48], } annotations = [ ['bit', 'Bit'], @@ -104,38 +105,23 @@ class Decoder(srd.Decoder): # The default 1-Wire time base is 30us. This is used to calculate # sampling times. samplerate = float(self.samplerate) - if self.options['cnt_normal_bit']: - self.cnt_normal_bit = self.options['cnt_normal_bit'] - else: - self.cnt_normal_bit = int(samplerate * 0.000015) - 1 # 15ns - if self.options['cnt_normal_slot']: - self.cnt_normal_slot = self.options['cnt_normal_slot'] - else: - self.cnt_normal_slot = int(samplerate * 0.000060) - 1 # 60ns - if self.options['cnt_normal_presence']: - self.cnt_normal_presence = self.options['cnt_normal_presence'] - else: - self.cnt_normal_presence = int(samplerate * 0.000075) - 1 # 75ns - if self.options['cnt_normal_reset']: - self.cnt_normal_reset = self.options['cnt_normal_reset'] - else: - self.cnt_normal_reset = int(samplerate * 0.000480) - 1 # 480ns - if self.options['cnt_overdrive_bit']: - self.cnt_overdrive_bit = self.options['cnt_overdrive_bit'] - else: - self.cnt_overdrive_bit = int(samplerate * 0.000002) - 1 # 2ns - if self.options['cnt_overdrive_slot']: - self.cnt_overdrive_slot = self.options['cnt_overdrive_slot'] - else: - self.cnt_overdrive_slot = int(samplerate * 0.0000073) - 1 # 6ns+1.3ns - if self.options['cnt_overdrive_presence']: - self.cnt_overdrive_presence = self.options['cnt_overdrive_presence'] - else: - self.cnt_overdrive_presence = int(samplerate * 0.000010) - 1 # 10ns - if self.options['cnt_overdrive_reset']: - self.cnt_overdrive_reset = self.options['cnt_overdrive_reset'] - else: - self.cnt_overdrive_reset = int(samplerate * 0.000048) - 1 # 48ns + + x = float(self.options['cnt_normal_bit']) / 1000000.0 + self.cnt_normal_bit = int(samplerate * x) - 1 + x = float(self.options['cnt_normal_slot']) / 1000000.0 + self.cnt_normal_slot = int(samplerate * x) - 1 + x = float(self.options['cnt_normal_presence']) / 1000000.0 + self.cnt_normal_presence = int(samplerate * x) - 1 + x = float(self.options['cnt_normal_reset']) / 1000000.0 + self.cnt_normal_reset = int(samplerate * x) - 1 + x = float(self.options['cnt_overdrive_bit']) / 1000000.0 + self.cnt_overdrive_bit = int(samplerate * x) - 1 + x = float(self.options['cnt_overdrive_slot']) / 1000000.0 + self.cnt_overdrive_slot = int(samplerate * x) - 1 + x = float(self.options['cnt_overdrive_presence']) / 1000000.0 + self.cnt_overdrive_presence = int(samplerate * x) - 1 + x = float(self.options['cnt_overdrive_reset']) / 1000000.0 + self.cnt_overdrive_reset = int(samplerate * x) - 1 # Organize values into lists. self.cnt_bit = [self.cnt_normal_bit, self.cnt_overdrive_bit] |